Nughab (Persian: نوغاب, also Romanized as Nūghāb, Nowghāb, Naughāb, Nooghab, and Nūqhāb) is a village in Momenabad Rural District, in the Central District of Sarbisheh County, South Khorasan Province, Iran. At the 2006 census, its population was 92, in 22 families.